Facebook’s Messenger platform has added a Stories feature entitled ‘Day’ to its functionality

Facebook Messenger has joined Instagram, WhatsApp and Facebook in copying Snapchat’s Stories function,comprising user generated photo and video collections that users can share with friends for up to 24 hours before they disappear. Messenger has been testing its version of this format, what it’s calling “Days,” since the fall, but is now formally rolling it out to all users on iOS and Android worldwide.It’s virtually the same feature already available on Snapchat, Instagram and WhatsApp,but just goes by a different name.Facebook is testing Stories in its main app, too.The decision by Facebook to put Snapchat’s best feature inside all of its apps shows just how concerned the social giant is about losing younger users to a competitor.